High-tech hitmaker and startup addict: Silicon Graphics 1982; Netscape 1994; Healtheon (now WebMD) 1996. Took each public. Cashed out before all of them tumbled in bubble-burst. Reinvested in Neoteris (computer security), MyCFO.com (wealth management), Hyperion Development Group (Miami real estate). Owns 40% stake in photo-sharing site Shutterfly; stock up 70% since public offering September 2006. Not bad for a college prof: Got his start teaching at Stanford.

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